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Proceedings Paper

Comparison of passive and active mass dampers for control of floor vibrations
Author(s): Malcolm J. Hudson; Paul Reynolds; Donald S. Nyawako
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Paper Abstract

Active vibration control (AVC) is a relatively new technology for the mitigation of annoying human-induced vibrations in floors. However, recent technological developments have demonstrated its great potential application in this field. Despite this, when a floor is found to have problematic floor vibrations after construction the unfamiliar technology of AVC is usually avoided in favour of more common techniques, such as Tuned Mass Dampers (TMDs) which have a proven track record of successful application, particularly for footbridges and staircases. This study aims to investigate the advantages and disadvantages that AVC has, when compared with TMDs, for the application of mitigation of pedestrian-induced floor vibrations in offices. Simulations are performed using the results from a finite element model of a typical office layout that has a high vibration response level. The vibration problems on this floor are then alleviated through the use of both AVC and TMDs and the results of each mitigation configuration compared. The results of this study will enable a more informed decision to be made by building owners and structural engineers regarding suitable technologies for reducing floor vibrations.

Paper Details

Date Published: 6 April 2012
PDF: 12 pages
Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012, 83454A (6 April 2012); doi: 10.1117/12.915956
Show Author Affiliations
Malcolm J. Hudson, The Univ. of Sheffield (United Kingdom)
Paul Reynolds, The Univ. of Sheffield (United Kingdom)
Full Scale Dynamics Ltd. (United Kingdom)
Donald S. Nyawako, The Univ. of Sheffield (United Kingdom)


Published in SPIE Proceedings Vol. 8345:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Masayoshi Tomizuka; Chung-Bang Yun; Jerome P. Lynch, Editor(s)

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